143304013 has 2 divisors, whose sum is σ = 143304014. Its totient is φ = 143304012.

The previous prime is 143303981. The next prime is 143304047. The reversal of 143304013 is 310403341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142993764 + 310249 = 11958^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 143304013 - 2⁵ = 143303981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143304113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71652006 + 71652007.

It is an arithmetic number, because the mean of its divisors is an integer number (71652007).

Almost surely, 2^143304013 is an apocalyptic number.

It is an amenable number.

143304013 is a deficient number, since it is larger than the sum of its proper divisors (1).

143304013 is an equidigital number, since it uses as much as digits as its factorization.

143304013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 143304013 is about 11970.9654163731. The cubic root of 143304013 is about 523.3024693641.

Adding to 143304013 its reverse (310403341), we get a palindrome (453707354).

The spelling of 143304013 in words is "one hundred forty-three million, three hundred four thousand, thirteen".